Jet Propulsion Laboratory
California Institute of Technology
The rocket carrying GRACE-FO lifts off into a blue sky, with the Pacific Ocean beneath it.
GRACE-FO Launch, Sky and Sea
Gravity anomaly map using GRACE data.
Gravity Anomaly Map Using GRACE Data
The NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft launches onboard a SpaceX Falcon 9, May 22, 2018, from Vandenberg Air Force Base in California.
GRACE-FO Launches, Ocean View
A simplified example of how the distance between the GRACE-FO satellites changes as they pass from the Caribbean Sea across Colombia and Peru.
How GRACE-FO Measures Gravity
Illustration of GRACE-FO gravity data over Africa.
GRACE-FO Gravity Data Over Africa
This map from September 2015 shows deep drought in California, Nevada and Texas.
Groundwater Drought Indicator
An artist's rendering of the twin GRACE-FO spacecraft.
The twin satellites of NASA's Gravity Recovery and Climate Experiment Follow-on, or GRACE-FO, will track the movement of water around Earth. This short video explains how and why it's important.
Why Is GRACE-FO So Important?
For 15 years, the GRACE mission has unlocked mysteries of how water moves around our planet. It gave us the first view of underground aquifers from space, and shows how fast polar ice sheets and mo...
15 Years of GRACE Earth Observations
Illustration of GRACE-FO in orbit (view 4)
Illustration of GRACE-FO (View 4)
GRACE-Follow On (GRACE-FO) is a satellite mission that launched in May 2018. GRACE-FO will continue the work of the GRACE satellite mission tracking Earth's water movement around the globe. These d...
Tracking Water from Space
NASA JPL-UC Irvine glaciologist Eric Rignot explains how glaciers in West Antarctica are changing.
West Antarctic Collapse
GRACE Follow-On (GRACE-FO) continues the legacy of GRACE, tracking Earth’s water movement and surface mass changes across the planet. Monitoring changes in ice sheets and glaciers, near-surface and...
GRACE-FO Mission Brochure
The GRACE-FO satellites, attached to turntable fixtures, at the Astrotech Space Operations processing facility at Vandenberg Air Force Base, California (view 1).
GRACE-FO Satellites, Attached to Turntable Fixtures
Illustration of GRACE-FO in orbit (view 5).
GRACE-FO in Orbit (View 5)
Illustration of GRACE-FO above Antarctica.
GRACE-FO Above Antarctica
Illustration of GRACE-FO in orbit (view 3).
GRACE-FO in Orbit (View 3)
The rainy and dry seasons in the Amazon Basin in 2004, revealed by gravity anomalies observed by GRACE. Reds and pinks show where and when mass was higher than average, a sign that more water was p...
Rainy and Dry Seasons in the Amazon (2004)
A map of groundwater storage trends for Earth's 37 largest aquifers using GRACE data, showing depletion and replenishment in millimeters of water per year.
Map of Groundwater Storage Trends for Earth's 37 Largest Aquifers
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows one of the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 3).
GRACE-FO Satellites in Testing
GRACE-FO arriving at Vandenberg Air Force Base, California, from Germany.
GRACE-FO Arrives at Vandenberg
Many of today’s most pressing climate science challenges hinge on knowing how and where water is moving on Earth. GRACE-FO will continue the successful partnership between NASA and the German Resea...
GRACE-FO Launch Press Kit
The GRACE-FO satellites were assembled by Airbus Defence and Space in Germany. The photo shows the satellites in the testing facility of IABG, an Airbus subcontractor, in Munich (view 1).
GRACE-FO Satellites During Testing
The GRACE mission launched in 2002, changing our understanding of Earth.
15 Years of GRACE
The SpaceX Falcon 9 rocket is seen with the NASA/German Research Centre for Geosciences GRACE Follow-On spacecraft onboard at Space Launch Complex 4E at Vandenberg Air Force Base in California.
GRACE-FO in Falcon 9 on Launchpad
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